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Climate change has accelerated the normal process of erosion along Alaska's rivers and coasts.
Climate change didn't get much attention at the Conservative Political Action Conference, so one journalist asked a few young attendees what they think.
Our fearless green-living pioneer prepares for a stealth attack on urban ugliness -- and shows how you can do it too.
Climate deniers threw all their might at disproving the famous "hockey stick" climate change graph. Here's why they failed.
A reader wonders which type of lightbulb is greenest. Umbra sheds some light.
Last August's explosion and fire were just the latest in a long history of disasters at Chevron's East Bay plant. Locals have had enough.
A friend at Fresh Energy generously called me the “architect” of Minnesota’s new solar energy standard (signed last week), and...
Not that this means the surveys will actually stop.
Investment in unconventional fossil fuels is expected to outpace spending on renewables by a ratio of at least 3-to-1 in the decades ahead.